Is there a dictionary for M and S codes?

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1

New here. Thanks to all. Really enjoy reading the posts. Very helpful.


Is there a list of what the M and S codes mean in SheetCam?


I’m trying to modify the GCode from SheetCam to modify the results on an Arclight plasma table (Hypertherm Powermax 85 & Mach3). I understand most of the codes, but a few escape me. Reviewed my POST file but did not find information about these lines;

N0130 S900
N0140 M22
N0150 S3130
N0160 M22
N0170 S510
N0180 M22
N0190 M00(> Temp Stop. > Check the DTHC Settings. Hit RUN to continue.)

Closest I came was this (from file MP3000-DTHCII-DCC+scriber6.5.scpost):

function OnFinish()
finalCut = true
endZ = safeZ
OnRapid()
endX = 0
endY = 0
offX = 0
offY = 0
offZ = 0
OnRapid()
post.Text(" S900 \n")
post.Text(" M22 \n")
post.Text(thcOffCode)
post.Text(" (DTHC is off)\n");
post.Text(" M22 \n")
post.Text (" M05 M30\n")
end

The torch is off throughout these lines. It fires up after hitting Run.


Some of them also show up at the end;

N1150 S900
N1160 M22
N1170 S10 (DTHC is off)
N1180 M22
N1190 M05 M30 (Torch off, Program end)

So, what do these mean;
S900
S3130
S510
M22


Where can I find the explanations? No luck on the SheetCam site.


Thanks in advance.






.,._
Posted by: manufactoryfan202@yahoo.com

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2

The S values are normally spindle speed settings but can be used to send an PWM signal to the DTHC controller. You will have to consult the DTHC documentation.
The M codes (if they are not standard codes ) are normally macros that can be found in the Mach directory under the subdirectory that has the same name as the profile that is loaded for your machine.






Regards


Marius
http://www.cnccontrol.co.za

http://www.mastercut.co.za




On Wednesday, September 10, 2014 6:32 AM, “manufactoryfan202@yahoo.com [sheetcam]” <sheetcam@yahoogroups.com> wrote:



New here. Thanks to all. Really enjoy reading the posts. Very helpful.

Is there a list of what the M and S codes mean in SheetCam?

I’m trying to modify the GCode from SheetCam to modify the results on an Arclight plasma table (Hypertherm Powermax 85 & Mach3). I understand most of the codes, but a few escape me. Reviewed my POST file but did not find information about these lines;

N0130 S900 N0140 M22 N0150 S3130N0160 M22 N0170 S510N0180 M22 N0190 M00(> Temp Stop. > Check the DTHC Settings. Hit RUN to continue.)

Closest I came was this (from file MP3000-DTHCII-DCC+scriber6.5.scpost):

function OnFinish() finalCut = true endZ = safeZ OnRapid() endX = 0 endY = 0 offX = 0 offY = 0 offZ = 0 OnRapid() post.Text(" S900 \n") post.Text(" M22 \n") post.Text(thcOffCode) post.Text(" (DTHC is off)\n"); post.Text(" M22 \n") post.Text (" M05 M30\n")end

The torch is off throughout these lines. It fires up after hitting Run.

Some of them also show up at the end;

N1150 S900 N1160 M22 N1170 S10 (DTHC is off)N1180 M22 N1190 M05 M30 (Torch off, Program end)

So, what do these mean;
S900
S3130
S510
M22

Where can I find the explanations? No luck on the SheetCam site.

Thanks in advance.






#yiv1020616026 #yiv1020616026 – #yiv1020616026ygrp-mkp { border:1px solid #d8d8d8;font-family:Arial;margin:10px 0;padding:0 10px;} #yiv1020616026 #yiv1020616026ygrp-mkp hr { border:1px solid #d8d8d8;} #yiv1020616026 #yiv1020616026ygrp-mkp #yiv1020616026hd { color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px 0;} #yiv1020616026 #yiv1020616026ygrp-mkp #yiv1020616026ads { margin-bottom:10px;} #yiv1020616026 #yiv1020616026ygrp-mkp .yiv1020616026ad { padding:0 0;} #yiv1020616026 #yiv1020616026ygrp-mkp .yiv1020616026ad p { margin:0;} #yiv1020616026 #yiv1020616026ygrp-mkp .yiv1020616026ad a { color:#0000ff;text-decoration:none;} #yiv1020616026 #yiv1020616026ygrp-sponsor #yiv1020616026ygrp-lc { font-family:Arial;} #yiv1020616026 #yiv1020616026ygrp-sponsor #yiv1020616026ygrp-lc #yiv1020616026hd { margin:10px 0px;font-weight:700;font-size:78%;line-height:122%;} #yiv1020616026 #yiv1020616026ygrp-sponsor #yiv1020616026ygrp-lc .yiv1020616026ad { margin-bottom:10px;padding:0 0;} 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#yiv1020616026 #yiv1020616026ygrp-sponsor #yiv1020616026ov li { font-size:77%;list-style-type:square;padding:6px 0;} #yiv1020616026 #yiv1020616026ygrp-sponsor #yiv1020616026ov ul { margin:0;padding:0 0 0 8px;} #yiv1020616026 #yiv1020616026ygrp-text { font-family:Georgia;} #yiv1020616026 #yiv1020616026ygrp-text p { margin:0 0 1em 0;} #yiv1020616026 #yiv1020616026ygrp-text tt { font-size:120%;} #yiv1020616026 #yiv1020616026ygrp-vital ul li:last-child { border-right:none !important; } #yiv1020616026









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Posted by: Marius Liebenberg <marius.liebenberg@yahoo.com>

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3

Google results:

http://en.wikipedia.org/wiki/G-code


http://machmotion.com/cnc-info/g-code.html


http://machmotion.com/cnc-info/m-codes.html/


It appears M22 is mirror of the Y axis or possibly tailstock backwards on a lathe…. given you are using a plasma, one would suspect the mirror, although it could be used as a custom command for just about anything. As Marius says, you need to consult your documentation.
Brian Lamb
blamb11@cox.net (blamb11@cox.net)
www.lambtoolworks.com






On Sep 9, 2014, at 8:55 PM, manufactoryfan202@yahoo.com (manufactoryfan202@yahoo.com) [sheetcam] <sheetcam@yahoogroups.com (sheetcam@yahoogroups.com)> wrote:

New here. Thanks to all. Really enjoy reading the posts. Very helpful.


Is there a list of what the M and S codes mean in SheetCam?


I’m trying to modify the GCode from SheetCam to modify the results on an Arclight plasma table (Hypertherm Powermax 85 & Mach3). I understand most of the codes, but a few escape me. Reviewed my POST file but did not find information about these lines;

N0130 S900
N0140 M22
N0150 S3130
N0160 M22
N0170 S510
N0180 M22
N0190 M00(> Temp Stop. > Check the DTHC Settings. Hit RUN to continue.)

Closest I came was this (from file MP3000-DTHCII-DCC+scriber6.5.scpost):

function OnFinish()
finalCut = true
endZ = safeZ
OnRapid()
endX = 0
endY = 0
offX = 0
offY = 0
offZ = 0
OnRapid()
post.Text(" S900 \n")
post.Text(" M22 \n")
post.Text(thcOffCode)
post.Text(" (DTHC is off)\n");
post.Text(" M22 \n")
post.Text (" M05 M30\n")
end

The torch is off throughout these lines. It fires up after hitting Run.


Some of them also show up at the end;

N1150 S900
N1160 M22
N1170 S10 (DTHC is off)
N1180 M22
N1190 M05 M30 (Torch off, Program end)

So, what do these mean;
S900
S3130
S510
M22


Where can I find the explanations? No luck on the SheetCam site.


Thanks in advance.




\



.,._
Posted by: Brian Lamb <blamb11@cox.net>

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4

You must remember that the post processor is written specifically for a type of hardware. So the codes has little or nothing to do with sheetcam but more so with the actual hardware. You have to understand what the hardware requires in order to do certain functions. The Codes that you are looking at has more than likely to do with the Torch Height Control.
This is one of the features that makes sheetcam such a great rpoduct. One can program the gcode output to suit your needs by means of the post processor.


The purpose of the sub routines in the post pocessor file is to genarate gcode in an inteligent way to match the hardware requirements. I suggest that you have a good look at the hardware for the post to find out what it does.
There is typically an procedure to initialise the system then something for when the “pen down” is required and then some things on how to handle arcs and something to lift the pen up again etc.
Without the documentation on the hardware, I would not be able to say what the actual S value mean but I am sure Les will have a better idee.


Regards


Marius
http://www.cnccontrol.co.za

http://www.mastercut.co.za




On Wednesday, September 10, 2014 9:12 AM, “Marius Liebenberg marius.liebenberg@yahoo.com [sheetcam]” <sheetcam@yahoogroups.com> wrote:



The S values are normally spindle speed settings but can be used to send an PWM signal to the DTHC controller. You will have to consult the DTHC documentation.
The M codes (if they are not standard codes ) are normally macros that can be found in the Mach directory under the subdirectory that has the same name as the profile that is loaded for your machine.




Regards

Marius
http://www.cnccontrol.co.za
http://www.mastercut.co.za

On Wednesday, September 10, 2014 6:32 AM, “manufactoryfan202@yahoo.com [sheetcam]” <sheetcam@yahoogroups.com> wrote:
New here. Thanks to all. Really enjoy reading the posts. Very helpful.

Is there a list of what the M and S codes mean in SheetCam?

I’m trying to modify the GCode from SheetCam to modify the results on an Arclight plasma table (Hypertherm Powermax 85 & Mach3). I understand most of the codes, but a few escape me. Reviewed my POST file but did not find information about these lines;

N0130 S900 N0140 M22 N0150 S3130N0160 M22 N0170 S510N0180 M22 N0190 M00(> Temp Stop. > Check the DTHC Settings. Hit RUN to continue.)

Closest I came was this (from file MP3000-DTHCII-DCC+scriber6.5.scpost):

function OnFinish() finalCut = true endZ = safeZ OnRapid() endX = 0 endY = 0 offX = 0 offY = 0 offZ = 0 OnRapid() post.Text(" S900 \n") post.Text(" M22 \n") post.Text(thcOffCode) post.Text(" (DTHC is off)\n"); post.Text(" M22 \n") post.Text (" M05 M30\n")end

The torch is off throughout these lines. It fires up after hitting Run.

Some of them also show up at the end;

N1150 S900 N1160 M22 N1170 S10 (DTHC is off)N1180 M22 N1190 M05 M30 (Torch off, Program end)

So, what do these mean;
S900
S3130
S510
M22

Where can I find the explanations? No luck on the SheetCam site.

Thanks in advance.

















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5

So, what do these mean;
S900
S3130
S510
M22


I found this explanation in my CandCNC documentation:
S900 = Turns on the DTHCII signals
S3130 = The first digit (3) indicates this is a volts Preset value. The next 3 digits set the actual value (in volts)
S510 = The first digit (5) indicates this is a DTHCII delay (in seconds) value.
M22 = not real sure right now, will have to find my reference sheet.

The above codes are used by a HT plasma cutter post, so perhaps that is why they are showing up in your code. What post are you using?

6

If im right, M22 is just a pause
In my manual; S-codes
10-19
The first digit (1) turns the DTHC off. The second digit sets the percentage times 10. Example: S15 would turn the DTHC off (stop Z axis UP and DOWN commands) and set the Cut Current to 50% of the normal PRESET AMPS NOTE: The letter “I” in elecronics is “Current “ measured in AMPS

20-29
. The first digit (2) turns the DTHC ON. The second digit sets the percentage times 10. Example: S25 would turn the DTHC on and set the Cut Current to 50% of the normal PRESET AMPS

310 - 3300. The first digit (3)Indicates this is a volts Preset value. The next 3 digits set the actual value (in volts). Example: S3117 send 117 volt value to the PRESET VOLTS DRO and transfer that value to the memory of the DTHCII. This is done using the value defined in the Toolset parameters window for Preset Volts/ This is automatically put at the beginning of the Code to set the values BEFORE cutting starts. The POST translates the value sent into the correct code. Wile it is possible to send a new Preset value during a cut using this code it is NOT RECOMMENDED since it changes the actual job (tool) preset value and has to be reversed out by changing it back in a code snip that could change with every tool

50 - 520.9
NOTE: a value of 0.5 is VALID and shows a fractional (½) second.
. The first digit (5)Indicates this is a DTHCII Delay (in seconds) value. The next 2 digits plus decimal sets the actual value. Example: S51.5 sends the value of 1.5 seconds to the DTHCII delay DRO and transfers that value to the memory of the DTHCII. This is done using the value defined in the Toolset parameters window for DTHC delay-sec This is automatically put at the beginning of the Code to set the values BEFORE cutting starts A value of ZERO (50) is ignored by the control and it uses the stored Setting from Cut Profiles for the DTHC Delay.

410 - 4200. (Hypertherm RS485 equipped models only)The first digit (4)indicates this is a cureent (amps) Preset Value. The next three digits sets the actual value (in AMPS) Example: S445 would send 45 amps to the PRESET AMPS DRO. IF you have a Hypertherm plasma cutter with the optional RS485 port and the CandCNC RS485 SIM Kit that value would be loaded into the Hypertherm automatically. This is put at the beginning of the Code to set the values BEFORE cutting starts. The POST translates the value sent into the correct code. While this code could be used in a Code snip to send a specific value and cahnge the Cut Current DURING a cut it is nuch better to use the PERCENTAGE reduction in the 10 or 20 type codes.

60 - 699. Sets the number of volts (in volts) the Preset Volts can be DURING a cut. This is an INCREASE that in value to change in the event of a feedrate reduction. Example” a Code Snip with the code S65 would raise the PRESET VALUE by 5 volts. So a PRESET of 117 would raise it to 122. This has the effect of canceling the down motion of going into a feedrate slowdown. CAUTION: be careful with this tool. Each plasma cutter will behave somewhat different and moving the PRESET VOLTS too far can have ugly consequences. NOTE 699 cancels the command and reverts back to normal PRESET value (in this case 117) Be SURE to cancel and increase on the END point. changed

80 - 8199 (Hypertherm RS485 equipped models only) Sets the AIR PRESSURE in PSI for cutting. This setting does nothing on Plasma Cutters that do not support remote setting of air pressure

70 - 7199 (Hypertherm RS485 equipped models only) Not currently used at this time. Will be used to provide variable current piercing (ramped current during a pierce cycle)

900 Turns ON the DTHCII signals (typically used to reset the DTHCII to ON after it has been turned off by a 999 code. This is a GLOBAL command meaning it overrides any other DTHC off.
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999 Turns OFF the DTHCII signals This is a GLOBAL command meaning it overrides any other DTHC on. Command. It is set in the Tool Table as the DTHC OFF parameter. It disables the DTHC signals It will override a 10 or 20 command as far as the DTHC being turned on/off